<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Web Console test for bug 618078 - exception in async network request
      callback</title>
    <!-- Any copyright is dedicated to the Public Domain.
         http://creativecommons.org/publicdomain/zero/1.0/ -->
    <script type="text/javascript">
      var req = new XMLHttpRequest();
      req.open('GET', 'http://example.com', true);
      req.onreadystatechange = function() {
        if (req.readyState == 4) {
          bug618078exception();
        }
      };
      req.send(null);
    </script>
  </head>
  <body>
    <p>Web Console test for bug 618078 - exception in async network request
    callback.</p>
  </body>
</html>
